Even if you assume that what A-Rod did was exceptionally
unethical within the structure of professional baseball, there's
no rational reason to get morally offended by it.

What he did was only "wrong" within the non-reality of the Major
League Baseball universe. He never committed a real crime or
harmed an innocent person. He never negatively affected your life
or robbed you of something you once had.

He tried to get an unnatural edge to be better at baseball. Under
the MLB's self-contained ethical system he should have been
suspended. But there's no
reason to treat a crime that only exists in the baseball world as
a real-world crime.

A-Rod cheated in a way that harmed no one and has rational,
understandable motivations. But the response from the league,
opposing players, fans and members of the baseball media has been
soaked with self-righteousness, as if A-Rod crossed an
unspeakable ethical line ... which is the worst.